Home / 2,899.80-4,002.01-1,641.06

Finding the Fourth Proportional to 2,899.80, 4,002.01 and 1,641.06

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Solution

The fourth proportional to 2,899.80, 4,002.01 and 1,641.06 is: 2,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.80 : 4,002.01 = 1,641.06 : x
  2. Step 2: Convert to fraction form
    2,899.80/4,002.01 = 1,641.06/x
  3. Step 3: Cross multiply
    2,899.80x = 4,002.01 × 1,641.06
  4. Step 4: Simplify right side
    2,899.80x = 6,567,534.43
  5. Step 5: Solve for x
    x = 6,567,534.43/2,899.80
  6. Step 6: Final answer
    x = 2,264.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.